PT - JOURNAL ARTICLE ED - University of Wisconsin Press TI - Education and Volunteers AID - 10.3368/er.9.2.127 DP - 1991 Dec 21 TA - Ecological Restoration PG - 127--129 VI - 9 IP - 2 4099 - http://er.uwpress.org/content/9/2/127.short 4100 - http://er.uwpress.org/content/9/2/127.full